# Airworthiness Directives; Bell Helicopter Textron Canada Model 407 Helicopters
> **Rule** · Final rule. · Published 2000-10-18 · Effective 2000-11-22 · 65 FR 62275
## Document
- **Document number:** 00-26236
- **Category:** airworthiness
- **Manufacturer:** Bell Helicopter Textron Canada Model 407
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 65 FR 62275
- **Publication date:** 2000-10-18
- **Effective date:** 2000-11-22
- **FAA docket:** Docket No. 2000-SW-24-AD
## Abstract

This amendment adopts a new airworthiness directive (AD) for Bell Helicopter Textron Canada (BHTC) Model 407 helicopters. This AD requires inspecting the brackets that attach each horizontal stabilizer slat (slat) to the stabilizer for a crack and replacing the slat assembly if a crack is found. Installing airworthy segmented slat assemblies would be required prior to flight after December 31, 2000 and would constitute terminating action for the requirements of this AD. This amendment is prompted by an incident in which a slat separated from a helicopter. The actions specified by this AD are intended to prevent a slat from separating, impact with a main or tail rotor blade, and subsequent loss of control of the helicopter.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/10/18/00-26236/airworthiness-directives-bell-helicopter-textron-canada-model-407-helicopters)
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